A study on the non Maxwellian nature of ion velocity distribution functions using Magnetospheric Multiscale (MMS) data

Francesco Valentini1, Silvia Perri1, Emiliya Yordanova2, William R Paterson3, Daniel J Gershman4, Barbara L Giles3, Craig J Pollock5, John Dorelli3, Levon A Avanov3, Benoit Lavraud6, Yoshifumi Saito7, Rumi Nakamura8, David Fischer9, Wolfgang Baumjohann10, Ferdinand Plaschke10, Yasuhito Narita11, Werner Magnes12, Christopher T Russell13, Robert J Strangeway14 and Olivier Le Contel15, (1)University of Calabria, Calabria, Italy, (2)IRF Swedish Institute of Space Physics Uppsala, Uppsala, Sweden, (3)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (4)NASA Goddard Space Flight Center, Heliophysics Science Division, Greenbelt, MD, United States, (5)Denali Scientific, Healy, AK, United States, (6)IRAP, Toulouse, France, (7)ISAS Institute of Space and Astronautical Science, Kanagawa, Japan, (8)Space Reserach Institute, Austrian Academy of Sciences, Graz, Austria, (9)Austrian Academy of Sciences, Vienna, Austria, (10)Austrian Academy of Sciences, Graz, Austria, (11)IWF Institute for Space Research, Graz, Austria, (12)Space Research Institute (IWF)/Austrian Academy of Sciences, Graz, Austria, (13)University of California, Los Angeles, Los Angeles, CA, United States, (14)UCLA IGPP/ESS, Los Angeles, CA, United States, (15)Laboratoire de Physique des Plasmas, CNRS/Ecole Polytechnique/UPMC, Paris, France